Top engine builders and camshaft designers sweat over fractions of a degree, but there's a long train of parts between the top of the piston and the lobe of the cam. Tolerance stack-ups mean the ...

In manufacturing, the devil is in the details—and the smallest oversight can lead to big headaches. Too often, it’s 4:30 p.m. on a Friday, you find out your trusted machinist is away on a fishing trip ...